Quarter	Persons
1999-01-01	17116700
1999-04-01	17194200
1999-07-01	17418800
1999-10-01	17541000
2000-01-01	17648600
2000-04-01	17799900
2000-07-01	18038800
2000-10-01	18126300
2001-01-01	17707000
2001-04-01	17821200
2001-07-01	18057500
2001-10-01	18180900
2002-01-01	18523600
2002-04-01	18764700
2002-07-01	19010700
2002-10-01	19123100
2003-01-01	19310200
2003-04-01	19525100
2003-07-01	19784600
2003-10-01	19908700
2004-01-01	19969600
2004-04-01	20149500
2004-07-01	20377800
2004-10-01	20558400
2005-01-01	20716000
2005-04-01	20992600
2005-07-01	21063900
2005-10-01	21220700
2006-01-01	21377600
2006-04-01	21566500
2006-07-01	21704800
2006-10-01	21873600
2007-01-01	21983400
2007-04-01	22219100
2007-07-01	22410800
2007-10-01	22510400
2008-01-01	22661000
2008-04-01	22874600
2008-07-01	22996200
2008-10-01	23102100
2009-01-01	23149900
2009-04-01	23146500
2009-07-01	23070900
2009-10-01	23059500
2010-01-01	23120900
2010-04-01	23248400
2010-07-01	23250800
2010-10-01	23219800
2011-01-01	23194500
2011-04-01	23317300
2011-07-01	23334300
2011-10-01	23275700
2012-01-01	23277900
2012-04-01	23326000
2012-07-01	23324100
2012-10-01	23197600
2013-01-01	23157900
2013-04-01	23058800
2013-07-01	23029000
2013-10-01	22927800
2014-01-01	22748900
2014-04-01	22839000
2014-07-01	22782600
2014-10-01	22883800
2015-01-01	22755200
2015-04-01	22866400
2015-07-01	22742300
2015-10-01	22704600
2016-01-01	22663200
2016-04-01	22707000
2016-07-01	22680700
2016-10-01	22575100
2017-01-01	22518000
2017-04-01	22544500
2017-07-01	22590900
2017-10-01	22578600
2018-01-01	22480800
2018-04-01	22637400
2018-07-01	22647500